I have 2013 Nissan Altima s 2.5 my car was running fine with p0420 and then changed upstream o2 sensor and then I receive the car in limp mode service engine soon light and dtc p1148 p0130 p0131 … read moreasis975 Discussion starter · Dec 21, 2016. I have a 2004 altima 2.5 S mileage is 147000 i pour lucas upper cylinder lubrication in gas tank after running half tank i got a check engine light on so i pullover to autozone they scanned it and code is P0420. should i replace the catalytic converter or installed header ? Definition: Catalyst system ...To diagnose the P0011 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Lifequestalliance.com – 2010 Nissan Altima P0420. The 2010 Nissan Altima is a reliable and popular vehicle known for its performance and efficiency. However, like any car, it can experience issues over time. One of the common problems that Altima owners might encounter is the P0420 code, which relates to the catalytic converter’s efficiency.2010 Nissan Altima code P0420 2 Answers. Was driving my car home from work last week and it popped the Service Engine light on with code P0420, referencing …Code P0335 Nissan Tech Notes. Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replace the battery. There is a service bulletin for the following Nissan models: 2004–2009 Nissan Titan. 2004–2009 Nissan Armada.A Nissan Altima CVT class action lawsuit may soon be settled for former and current owners and lessees of about 1.4 million cars. The proposed Altima continuously variable transmission (CVT) class action lawsuit settlement includes five separate actions: Robert H. Weinberg vs. Nissan North...2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within.53 posts · Joined 2004. #2 · Dec 8, 2006. jackie82 said: My check engine light has been going on an off for a little over 2 years now. Each time i make an appointment with nissan, the light goes off and they can't tell me what is wrong with it. The light goes on for months at a time and turns off out of no where.To diagnose the P0420 2011 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.18 Şub 2022 ... Catalytic Converter Replacement 2013-2018 Nissan Altima 2.5L #catalyst #converter #emissions #P0420 #checkenginelight #Nissan #Altima...What does this mean? What are the Possible Causes of the DTC P0420 2010 Nissan Altima Sedan? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Three-way …Code P0420 2012 Nissan Altima Sedan Tech Notes. As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in …Code P0430 Nissan Tech Notes. As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases, the catalytic …I got the codes P0171 and P0420. Nissan Altima. 2010 .2.5 L. ... hello i have a 2002 2.5 nissan altima the code p0420 is coming up when i put the computer to it now ...P0420 – 2010_NISSAN_ALTIMA_SEDAN - CarDiag : Your Easy Car Diagnostic - Vérifiez l'état d'une voiture d'occasion avant de l'acheter. Roulez sereinement sans la peur de la …front oxygen sensor, the PCM will set code. P0420.Catalytic converters are covered under. federally mandated 8yr/80,000 mile warranty by. the vehicle's manufacturer. Catalytic converters. usually fail as a result of something else (engine. misfire, internal oil leak, or internal coolant leak) not being repaired. The original cause of the failure.2009 nissan altima, 2.5 eng. i have the dreaded P0420 code. What is root cause? If it is the cat conv, which one? - Answered by a verified Nissan Mechanic. ... Customer: yes JA: What is the model/year of your Nissan? Customer: altima 2010 JA: …975 views 2 replies 3 participants last post by Throckmorton Jan 26, 2023. J. johnmiller48291 Discussion starter. 19 posts · Joined 2022. #1 · Jan 25, 2023. I got this car about a month ago, and the check engine light came on. I get codes P0420 P0455 P0442 and P0446, does anybody know what they mean and how to fix it?2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within.What is the Cost to Diagnose the Code P0420 2002 Nissan Altima Sedan? Labor: 1.0. To diagnose the P0420 2002 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the …Nissan Altima Check Engine Light Due to Failure of Catalytic Converter Closest to Cylinder Head - 599 reports. ... 2010 Nissan Altima 100,945 ... received code P0420 ... Nissan Altima Check Engine Light Due to Failure of Catalytic Converter Closest to Cylinder Head - 599 reports. ... 2010 Nissan Altima 100,945 ... received code P0420 ...NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING APPLIED VEHICLES: All model year 2008 and newer Nissan vehicles except LEAF and Titan XD with V8 diesel engine IF YOU CONFIRM The MIL is ON in an APPLIED VEHICLE with DTC P0456 (EVAP VERY SML LEAK) AND DTC P0456 is not caused by a loose …2004 Nissan Altima 2.5 S. Re: Code P0420. Postby VStar650CL » Sun Oct 17, 2021 8:01 pm. Dunno what you mean by a "fuel sensor" code. If you mean the A/F sensor, then yes, a faulty one can cause a false cat efficiency code. Other possible causes are an exhaust leak, plenum gasket leak, or a replacement cat that isn't as efficient as the original.Subaru & Honda. If you find a P0420 code in your Subaru or Honda, it’s most likely the catalytic converter to blame. It can also be caused by an exhaust leak or a bad oxygen sensor. Check for vacuum leaks or other fuel mixture-related engine codes. Check for any exhaust leaks before the catalytic converter.Re: Service engine soon. Postby armybrat » Sat Dec 31, 2016 10:23 am. My understanding is that the O2 sensor before the cats control the A/F ratio, and the one after the cats verify proper cat operation. It could also be a faulty cat. On the M56 the cat is integrated into the exhaust manifold as one unit. I think bank 1 is the driver's side ...2008 Altima 2.5SL. Save. Mike James · #3 · Jul 7, 2016. P0420 is a significant issue on the 2.5. It is overwhelmingly a converter issue. I would see if there is any warranty left on the converter you purchased from rock auto. Altima traded for Odyssey. Current - 08 HIGHLANDER.Code P0455 Nissan Tech Notes. The P0455 it’s very common code because the code is set if the gas cap is loose or missing. Start by tightening the gas cap and clearing the code. In most cases, the code can be clear by disconnecting the car battery for about 30 minutes. There is a factory Nissan service bulletin to help diagnose the P0455 code:2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within.17 Haz 2022 ... Diagnosis and repair of a P0420 code on a 2010 Nissan Altima with a 2.5l 4 cylinder engine. Due to factors beyond the control of ...To diagnose the P0448 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.How To Fix a Nissan P0420 engine code: Catalyst System Efficiency Below Threshold Bank 1Link to Cataclean on Amazon: https://amzn.to/3TSI6xWHow To Test Oxyge...P0420 is for emissions failure and usually a catalytic converter problem. The first thing I would try is to replace the rear O2 sensor. These can be had for about $50 on Amazon or RockAuto. Reset the ECU by removing the negative lead on the battery and holding the brake pedal down for 30 seconds.Nissan Altima P0300 Symptoms. Check Engine Light is on or flashing. Engine runs rough, hesitates, or jerks when accelerating. Drivers may not notice any adverse conditions when driving. In some cases, drivers may experience decreased fuel economy, fuel smell from exhaust, rough idling, or lack of power from the engine.3.5 SR Coupe 2D. $28,520. $6,749. For reference, the 2010 Nissan Altima originally had a starting sticker price of $20,620, with the range-topping Altima 3.5 SR Coupe 2D starting at $28,520.To diagnose the P0420 2007 Nissan Maxima code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.As the Nissan P0420 code description implies the Nissan P0420 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to ...To diagnose the P0420 2011 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Feb 1, 2014 · EdWill86 · #9 · Feb 1, 2014 (Edited) Its more like 95% a bad precat 5% anything else. The recall on the ecu reprogram is for the cam and crank sensor . it reduces the failure rate of them. Fact is a p0420 is a clogged/ failed precat. And you can't get the code cleared until its been replaced. P0420 refers to bank 1 sensor 2 (downstream sensor). There are certain measurements that the downstream oxygen sensor must be in accordance with. The ecu monitors the first and second oxygen sensors. The Ecu also measures the 2nd oxygen sensor based on the upstream oxygen sensors readings.Codes P0300 and P0420. Picked up a 2000 Sentra GXE with the 1.8 QG18DE for a good commuter car. Had no worries for about a week. I was at the gas pump, and for some reason I felt inclined to add the Additech to my gas tank fill. Not sure if it was the cause of anything (I also filled up the tank with 93 octane gas), but it seem strange ...Fixing P0128 in the Nissan Altima is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...2010 Nissan Altima P0420 : Troubleshooting and Fixing; P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission; Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines; Sr20 Supercharger : Unleashing the Power WithinP0447 is a generic powertrain code that stands for “Evaporative Emission Control System Vent Valve/Solenoid Circuit Open.” The code is logged once the PCM senses a circuit problem that may cause the EVAP system’s vent valve or …What is the Cost to Diagnose the Code P0420 Nissan? Labor: 1.0. The cost to diagnose the P0420 Nissan code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within.2022 Nissan Frontier is one of the stars of the future of the truck market. Mid-sized trucks are getting more interesting and Nissan is able to deliver something special. The last few years have given us some fascinating improvements. ... 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the …P0420 2009 Nissan Altima Sedan; P0420 2010 Nissan Altima Sedan; P0420 2011 Nissan Altima Sedan; P0420 2012 Nissan Altima Sedan; P0420 2004 …A check engine light for the Nissan P0128 code means that the fuel system is running too lean. ... 5th most common cause of a check engine light in Nissan Altima models. The engine control module ... Popular Engine Codes p0420 code p0172 code p00171 code p0128 code p0300 code p0456 code p0430 code p0442 code p0455 code …The 2010 Nissan Altima is a reliable and popular vehicle known for its performance and efficiency. However, like any car, it can experience issues over time. One of the common problems that Altima owners might encounter is the P0420 code, which relates to the catalytic converter’s efficiency. 2009 nissan altima, 2.5 eng. i have the dreaded P0420 code. What is root cause? If it is the cat conv, which one? - Answered by a verified Nissan Mechanic. ... Customer: yes JA: What is the model/year of your Nissan? Customer: altima 2010 JA: …P0420 is one of the top 5 trouble codes for the Nissan Altima. Nissan Altima P0420 Symptoms. Check Engine Light is on; Lack of power from the engine; Decreased fuel economy; Rotten egg or a sulfur smell; How Do I Fix Nissan Altima Code P0420? The first step is to get it diagnosed to figure out what is causing the catalytic converter fault.What Does the P0420 2005 Nissan Altima Sedan Code Mean? The Engine Control Module monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor).A three way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated …2023 Nissan 400Z. 2023 The Nissan 400Z will be introduced in late 2023 and go on sale in 2023. Nissan’s efforts to create a new Z sedan following the unsuccessful redesign of the 370Z sparked many conjecture, one of which was regarding the actual car type. ... 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode …Apr 25, 2023 · DTCs for the 2010 Nissan Altima follow the trend of other years, with P0420 being one of the most common. It is followed by P0128 , a coolant thermostat costing between $2,049 and $2,567. Recalls issued by the NHTSA are low for this model year, with three, and the 2010 Altima only has 351 complaints. EdWill86 · #9 · Feb 1, 2014 (Edited) Its more like 95% a bad precat 5% anything else. The recall on the ecu reprogram is for the cam and crank sensor . it reduces the failure rate of them. Fact is a p0420 is a clogged/ failed precat. And you can't get the code cleared until its been replaced.2023 Nissan Pathfinder. ... 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within. …P0420 - 2010_NISSAN_ALTIMA_SEDAN - CarDiag : Your Easy Car Diagnostic - Vérifiez l'état d'une voiture d'occasion avant de l'acheter. Roulez sereinement sans la peur de la panneResults 1 - 24 of 25 ... Find the right catalytic converter for a 2010 Nissan Altima at the right price at AutoZone. Buy online for free Next-Day Delivery or ...Code P0300 Nissan Description. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring.The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module monitors the …Codes P0300 and P0420. Picked up a 2000 Sentra GXE with the 1.8 QG18DE for a good commuter car. Had no worries for about a week. I was at the gas pump, and for some reason I felt inclined to add the Additech to my gas tank fill. Not sure if it was the cause of anything (I also filled up the tank with 93 octane gas), but it seem strange ...2008 Altima 2.5SL. Save. Mike James · #3 · Jul 7, 2016. P0420 is a significant issue on the 2.5. It is overwhelmingly a converter issue. I would see if there is any warranty left on the converter you purchased from rock auto. Altima traded for Odyssey. Current - 08 HIGHLANDER.The P1778 code defined as “Transmission Reverse I/P1778 Circuit Malfunction” is only applicable to certain types of Nissan vehicles. It’s an extremely narrow range of vehicles, and even in ...2022 Nissan Xterra. Until 2015, the Xterra was one of the best truck-based SUVs with outstanding off-road capability. However as a result of the growth of its rivals, Nissan has sold less systems. ... 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. …Code P0420 2012 Nissan Altima Sedan Tech Notes. As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the ...P0420 refers to bank 1 sensor 2 (downstream sensor). There are certain measurements that the downstream oxygen sensor must be in accordance with. The ecu monitors the first and second oxygen sensors. The Ecu also measures the 2nd oxygen sensor based on the upstream oxygen sensors readings. The upstream oxygen sensor is also used to control ...To diagnose the P1778 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.What is the Cost to Diagnose the Code P0420 Nissan? Labor: 1.0. The cost to diagnose the P0420 Nissan code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. What Does Code P0128 Mean? Nissan P0128 definition: Coolant Thermostat Temperature Below Regulating Temperature. Issue Severity: LOW– Continued driving for a short period of time is okay. Repair Urgency: Get this code fixed withing the next month to prevent the potential for overheating. Diagnosis: It is important to complete the entire ...So I work at AutoZone and I ran an OBDII scanner on my altima and the P0420 code came up on my car as it has been coming on and disappearing for the past year. This is what I got from the OBDII: Definition: Catalyst system efficiency below threshold-bank 1 Probable Causes: 1. Large vacuum leak...P0420 - Catalyst System Efficiency Below Threshold Bank 1. P0441 - EVAP System Incorrect Purge Flow. P0446 - EVAP System Vent Control Circuit. P0455 - EVAP System Leak Detected - Large Leak.The P0420 code signals a low catalyst system efficiency. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most often results from problems with your car ...QUAD's suggestion is good about replacing both upstream and downstream O2 sensors due to the large amount of miles on the vehicle. However here are some other possible causes for the P0420 code: Intake system vacuum leaks Bad fuel injector Fuel injector leaks Spark plugs dirtyNissan o2 sensor replacement for Altima generations from 2001-2018 with the 2.5L engine. The same QR25de engine was used through all those generations, quite...2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : Unlocking the Secrets of Your Vehicle’s Transmission. August 6, 2023. Ca18det Vs Sr20det : Unraveling the Battle of Nissan’s Legendary Engines. August 4, 2023. Sr20 Supercharger : Unleashing the Power Within.To diagnose the P1778 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.The P0420 code signals a low catalyst system efficiency. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most often results from problems with your car's...Code P0430 Nissan Tech Notes. As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases, the catalytic convert ...NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING APPLIED VEHICLES: All model year 2008 and newer Nissan vehicles except LEAF and Titan XD with V8 diesel engine IF YOU CONFIRM The MIL is ON in an APPLIED VEHICLE with DTC P0456 (EVAP VERY SML LEAK) AND DTC P0456 is not caused by a loose …Mar 14, 2022 · What Does Code P0128 Mean? Nissan P0128 definition: Coolant Thermostat Temperature Below Regulating Temperature. Issue Severity: LOW– Continued driving for a short period of time is okay. Repair Urgency: Get this code fixed withing the next month to prevent the potential for overheating. Diagnosis: It is important to complete the entire ... To diagnose the P1778 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Most common OBD2 fault codes on Nissan. The OBD fault codes most frequently encountered on Nissan vehicles by users of our klavkarr multi-brand diagnostic tools are: (for some of them, we have created tutorials to help you repair them) P0420: Catalytic Converter Circuit, Bank 1. P0007: Fuel Shutoff Valve "A" Control Circuit High.Nissan Altima Check Engine Light Due to Failure of Catalytic Converter Closest to Cylinder Head - 599 reports. ... 2010 Nissan Altima 100,945 ... received code P0420 ...The fault code are repaired by the lowest number fault in this case the P0420 since it comes before P0744, because the P0744 could be what we call Collateral fault codes caused by the P0420 , So in other words you start with P0420 first and repair then clear and see if any comes back, if you asking if changing the cats will solve it , I do not ...Lifequestalliance.com – 2010 Nissan Altima P0420. The 2010 Nissan Altima is a reliable and popular vehicle known for its performance and efficiency. However, like any car, it can experience issues over time. One of the common problems that Altima owners might encounter is the P0420 code, which relates to the catalytic converter’s efficiency. In this …2010 Nissan Altima code P0420 2 Answers. Was driving my car home from work last week and it popped the Service Engine light on with code P0420, referencing the catalytic converter. Here is full description: The Catalytic Converter takes …P0301 and P0420. So, here's the deal. I have my '03 Altima 2.5S for almost a year now. Abo, OBD II fault code P0420 is a generic code that is defined as “Catalyst System Efficiency , 2024 Nissan Xterra Release Date And Price. The 2024 Nissan Xterra has a good chance of making a c, 2024 Nissan Xterra Release Date And Price. The 2024 Nissan Xterra has, What Does Nissan Code P0420 Mean? Nissan P0420 definition: Catalyst system efficiency below threshold (Bank 1) Issue S, Watch on What Does Nissan Code P0420 Mean? Nissan P0420 definition : Catalyst system efficiency below thres, 2010 Nissan Altima P0420 : Troubleshooting and Fixing. August 7, 2023. P1815 M Mode Switch : , Sep 11, 2012 · 21 Answers. 27 people found this helpfu, May 9, 2012 · Date: July 8, 2010. 2005 - 2006 ALT, What does this mean? What are the Possible Causes of the , Aug 24, 2016 · Here are some of the tools that jimthecarguy useshtt, 2010 Nissan Altima P0420 : Troubleshooting and Fixin, To accurately diagnose the “2010 Nissan Altima P04, Pesky P2A03 code. I've had this code pop up alot in the last month , What is the Cost to Diagnose the Code C1116 Nissan?, Feb 11, 2004 · P0420 refers to bank 1 sensor 2 (downstream se, What is the Cost to Diagnose the Code P0420 Nissan? La, Dec 28, 2019 · Nissan Mechanic: Roy Sheidenberger. Hi! The P0442 an.